Features: Applicable equipment: impact drill / electric hammer drill Features: stable, heat-resistant, wear-resistant Scope of application: brick wall, concrete, stone, etc. Shank diameter: square handle with four pits Strong cutting edge, high wear resistance, higher efficiency Specifications: Material:Cemented Carbide Tool handle type: square handle/round handle Outer cutting edge angle (°): 135 Diameter of the handle (mm): 6-35 Size1: 6x150mm/0.23x5.9inch Size2: square handle 8x150mm/0.31x5.9inch Size3: square handle 10x150mm/0.39x5.9inch Size4: square handle 12x150mm/0.47x5.9inch Size5: square handle 14x150mm/0.55x5.9inch Size6: square handle 16x150mm/0.62x5.9inch Package Includes: 1pcxSquare Electric Hammer Drill Bit note: 1.Please allow 1-2mm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.